Boiler-feeder.



No. 874,080. I PATENTED DBG. 17, 1907. W. J. JEFFRIES.

BOILEB. FEEDER. APPLICATION FILED MAYzs.19o7.

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No. 874,080t I PATENTED DEG. 17, 1907. W. J. JBFFRIES.

BOILER FEEDER.

APPLICATION FILED MAY 23,1907

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Specification of 'Letters Patent.

Patented Il?, 1902K .Application iiled May 28. 1907. -Berial No. 376,20dx

concern:

Be it known that l, WrLLrAM J. Jnrrnrns, citizen ofthe United. States, residing at Ore- Ofon City, in the county ot Clackamas and citate oi' Gregori, have invented. certain new -and useful improvements in Boiler-Feeders,

of which 'the following is a s eoiiication.

The resent invention relates to a novel device ror regulating the supply ci Afeed water to a steam lboiler whereby t e water within the boiler is prevented troni falling below a certain level or rising` above a predetermined elevation.

The object of the invention is to provide a feed water regulating mechanism which is entirely automatic in its operation and which at the same time is simple and inexpensive in/ its construction. l

To this end the invention resides prinoipaliy in theprovision oi aboiler feeder conirising a water colurnn in communication with the boiler, a air oi steam pipes leading from the water-oo unin 'to a cylinder, the admission oi steam to the said pipes being govn` crned by the level of the water in the boiler A through the medium of iloat valves and the piston operating within the cylinder being designed to control the supply oi steam and water to the injector;

For a full description oi the invention and the rnerits thereof and also to acquire a knowledge oi the details oi construction and the means ior erlecting the result, reference ,.cylinder and cylinder valve,

fin the water column.

' l the 'upper stearn pipey 3.

is to be had to the following description and accornpanying` drawings, in which:

Figure 1 is a diagrammatic view of a iced water regulating mechanism embodying the invention. Fig. 2 is an. enlarged view ci the a portion oi the cylinder being shown in section. Fig. 3 is a detail view of the float valves arranged with- Allig. fi is a sectional view through the cylinder valve.

` 'Corresponding and like parts are referred to in the following' description and indicated in all the views of the drawings by the saine reference characters.

The numeral 1 designates a water column which is designed to be applied to boiler in the usual inanner and communicates with the' boiler through the lower water pipe 2 and Leading rrorn the water column 1is a pair of steam pipes 4. and 5 having the admission of steam thereto a`utoniaticallv regulated through the inediuin oi the valves o and 7 respectively. The

'|. valve 6 is rovid'ed with an operating lever 8 thereto and the members are so arranged that the valve closed when the water eX- erts a buoyant 'effect upon the said iioat, but is opened whentheiloat ialls due toa lowerl ing oi the water within the boiler. The valve 7 is also operated through a lever 10 .having afloat 11 pendent therefrom, the said parts being so designed as to open the valve when the water exerts a buoyant pressure u on the 'lioat 11 and to close the valve when tie level of the water falls below the said iloat.

The steam pipes i and 5 lead to a valve 12 controlling the admission of steam to opposite ends ci the cylinder13 through the pipes 14 and 15. Operating within the cylinder 13 is a piston 16 having a piston rod 17 applied thereto and carrying an arin 18. 1 The valve 12 is in the nature of' a double threewayvalve and is operated by means of a lever 19 which is connected to the arm 18 upon the piston rod through the medium of the connecting rod 20. The valve 12 is provided with a pair of exhaust ports 2-1 and operates to throw the rear end of the cylinder 13 alternately in conununication with the steain pipe i and one of the exhausts, and the steam pipe '5 alternately in coininunication with the forward. end of the cylinder and the opposite exhaust. The normal position of the piston 16 is at the rear end of the cylinder or that end opposite the cylinder, head through which the piston rod passes as shown in Fig. 2, in which position the valve is moved to establish communication between the rear end of the cylinder and the steain pipe 4, the opposite end oi the cylinder boing' in communication with an exhaust ywhile the passage of steam through "the steam pipe 5 is s iut oil.

An injector 22 which may be of any conventional construction .is utilised 'for forcing the leed; water into the boiler and connnunicates at one oud with the steam pipe 23 and at opposite sides with the delivery pipe 24 and the water supply pipe 25. T he steam supply pipe 23 is provided with a oy-epassl 2i", whereas the water supply pipe 25 is provided in a similar mani-1er with the bypass 27 the iiow oi steam through the former being'regulated by the valve 28 while the llow of water' standard oiconnectod to the ier",

i sa

ward end of the cylinder 13 and are thereby held in a fixed position with relation to the cylinder. Each of the said valves is provided with an operating lever 3l connected to a rod 32 attached to the piston rod i7. The portion of the steam supply pipe 23 between the two ends of the by-pass 26 is provided Witha valve 33 and a valve 34 is applied to the' water supply pi )e 25 in a similar manner, the said valves 1being both closed when the feed regulator is operating automatically and merely serving as a means whereby water can be fed into the boiler by manual means if desired. It will also be observed that the by-pass 26 is provided with a valve 35 which is closed when the device is manually'4 operated. l

Describing the operation of the device it will be readily-apparent that when the water in the boiler falls below a predetermined level the iioat 9 will drop, thereby opening the valve 6 and admitting steam to the steam pipe 4. As previously mentioned the normal position of the piston 16 and the valve .12 is suoh that the rear end of the cylinder` is in communication with the pipe e, whereupon when the valve 6 is opened the steam will operate. tomove the piston 16 forwardly to-` ward the front' end of the cylinder. This movement of the piston operates through the medium of the connecting rod 20 to reverse the position of the valve 12 so that the rear end of the cylinder is in communication with an exhaust while the forward end communicates with thesteam pipe 5. This forward movement of the piston also operates throughA the communicating rod 32 to open the two valves 28 and 29 whereby steanr and water are simultaneously admitted to the injector 22 and the boiler is supplied with feed water tlnou h the delivery pipe 24. TWhen the requiredr amount has entered the boiler and the level of the water within the 'boiler has risen to such a height as to act upon the float 11, the valve 7 is opened and steam is admitted to the steam pipe 5. This steam enters the forward end of the cylinder and moves the piston 16 to its original position, thereby closing the valves 28, and 29 and shutting olf the 4liow'of feed water in the boiler, and restoring the valve 12 to its original position with the rear of the cylinder in communication with the steam .pipe 4. yIty will thus be apparent that the supply of feed water to the boiler is entirely automatic and v.that the water within the boiler is positively pre vented from falling below a certain level or rising above a predetermined height. At the saine time Ait will also be apparent that owing to the provision of the valves 33 and 34 the boiler can be supplied with feed lwater vby manual means w en desired.

Having thus described the invention, what 1s claimed as new is:

1. In a feed water regulator for boilers, the

scacco cylinder valve, steam pipes aleading from the,

water column to the cylinder valve, lioat.V

valves for automatically regulating the ad mission of steam to the said steam pipes ac cording to the level of thezwater within the water column, and means whereby the supply of feed water to the boiler is controlled by the piston.

3. In a device of the character described, the combination of a water cylinder valve, a air of steam pipes leading from the water coliimn to the cylinder valve, a float valve for one of the steam pipes whereby steam is admitted to the same when the water rises above a predetermined level, a float valve for the other steam pipe whereby steam is admitted to the same when the water falls below a certain level, and means whereby the supply of feed water to- .the boiler is controlled by the piston.

4. ln a device of the character described, the combination of a water column, a cylinder, a piston operating witlfllnthe cylinder, a double three-way valve communicating with opposite ends of the cylinder, means whereby the said double three-way valve is o erated by the piston, a pairof steam pipes eading from the water column to the three-way valve, each of said pipes being thrown alternatelyfinto communication with one end of,

the cylinder and an exhaust, means whereby the admission of steam to the said i es is `automatically controlled by the belg t of water within the boiler, and means whereby 'the admission of feed water to the boiler is controlled by the piston.

5. In a feed Water regulator for boilers, the combination of an injector, a steam supply pipe' leading to the injector and provi ed with a by-pass, a vwater supply pipe leading to the injector and also provided with a bypass, a valve for each of the bypasses, 'a cylinder, a piston. operating within the cylinder,

connecting means between the piston and the before mentioned valves, for simultaneously operating the same, a oylinder'valve, steam 1pes leading from the cylinder valve and iiaving' communication with the boiler, and valves for automatically regulating the ad# mission of steam tothe steam pipes.v

6. In a feed water regulator for boilers, the combination of an injector, a steam supply column, a cylin# der, a'piston operatingf within the cylinder, a

iso

pipe leading tofthe injector, a Water supply ically regulating the admission of steam to pipe leading to the injector, aivalve for each the pipes aeeoidlng' to the levei of Water of the pipes, a cylinder, a piston operating Within the boiler. Within the cylinder, connecting means. be- In testimony'whereof I aix my signature 5 twpen tieI piston 1and thelbefore mentionld in presence of two witnesses.

Va ves or simu taneous yoperating t e same, a double three Way valve for the eyiin- WILLlAM J' JEFFRES' ['L' S71 der, a pair of steam pipes leading iiom the Witnesses: double three Way valve and having oommu- G. ENTNER,

10 nieation With the boiler, and valves automat- J. C. SPOGLE. 

